RE: how to debug... program hangs while downing for write a rwsem (busybox shell hangs/stucks after boot, a case related to u-boot)

2022-09-29 Thread Chan Kim
essage- >>From: Chan Kim >>Sent: Thursday, September 22, 2022 10:18 PM >>To: 'Greg KH' >>Cc: 'kernelnewbies@kernelnewbies.org' >>Subject: RE: how to debug... program hangs while downing for write a >>rwsem >> >>Hi, Greg K-H,

RE: how to debug... program hangs while downing for write a rwsem

2022-09-22 Thread Chan Kim
' >Cc: 'kernelnewbies@kernelnewbies.org' >Subject: RE: how to debug... program hangs while downing for write a rwsem > >Hi, Greg K-H, > >I found the scheduler isn't working correct. >When I run an application instead of the shell, and when I call sleep() >

RE: how to debug... program hangs while downing for write a rwsem

2022-09-22 Thread Chan Kim
27;ve been using). Thank you. Chan Kim >-Original Message- >From: Greg KH >Sent: Wednesday, September 21, 2022 8:16 PM >To: Chan Kim >Cc: kernelnewbies@kernelnewbies.org >Subject: Re: how to debug... program hangs while downing for write a rwsem > >On Wed, Sep 21,

Re: how to debug... program hangs while downing for write a rwsem

2022-09-21 Thread Greg KH
On Wed, Sep 21, 2022 at 08:02:50PM +0900, Chan Kim wrote: > Hello kernel experts and users, > > I'm trying to boot linux-5.10.0-rc5 on our arm64 board (using neoverse-v1 > core). 5.10-rc5 is very very very old and obsolete, and not even a real release. Why are you using that specific kernel vers